EP1670988A1 - Additif permettant de diminuer le peluchage et le poussierage du papier - Google Patents

Additif permettant de diminuer le peluchage et le poussierage du papier

Info

Publication number
EP1670988A1
EP1670988A1 EP04766860A EP04766860A EP1670988A1 EP 1670988 A1 EP1670988 A1 EP 1670988A1 EP 04766860 A EP04766860 A EP 04766860A EP 04766860 A EP04766860 A EP 04766860A EP 1670988 A1 EP1670988 A1 EP 1670988A1
Authority
EP
European Patent Office
Prior art keywords
paper
dusting
linting
composition according
alkyl chain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04766860A
Other languages
German (de)
English (en)
Other versions
EP1670988B1 (fr
Inventor
François BROUILLETTE
Daniel Morneau
François FOURNIER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
Ciba Spezialitaetenchemie Holding AG
Ciba SC Holding AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ciba Spezialitaetenchemie Holding AG, Ciba SC Holding AG filed Critical Ciba Spezialitaetenchemie Holding AG
Publication of EP1670988A1 publication Critical patent/EP1670988A1/fr
Application granted granted Critical
Publication of EP1670988B1 publication Critical patent/EP1670988B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/10—Phosphorus-containing compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H3/00—Paper or cardboard prepared by adding substances to the pulp or to the formed web on the paper-making machine and by applying substances to finished paper or cardboard (on the paper-making machine), also when the intention is to impregnate at least a part of the paper body
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/09—Sulfur-containing compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/60—Waxes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/52—Additives of definite length or shape

Definitions

  • the present invention relates to a new paper making composition useful for reducing linting and dusting in paper, a method for reducing paper linting and dusting wherein certain phosphate esters are added to a fiber pulp during the paper making process and the novel additive composition employed.
  • Linting and dusting concern any release of fibers at the paper surface. It gives rise to problems at the drying stage in paper making and in machines and equipment used for handling paper such as printing equipment. For example, fibers removed from paper surfaces during printing cause the accumulation of fibers on press parts such as blankets, plates, and rollers. Linting and dusting may become a nightmare for some printers: fibers interfere with the ink transfer and stopping the press to wash the blanket is costly.
  • a fiber pulp composition comprising a phosphate ester for use in paper making which reduces paper linting and dusting
  • the additive composition according to the present invention comprises the said phosphate ester which is added to the fiber pulp prior to web formation to reduce paper linting and dusting.
  • the phosphate ester component of the present invention can also be called an organic ester of phosphoric acid or alcohol phosphate and may be neutralized with an amine or a base derived from the alkali or alkaline earth.
  • Such phosphate esters or neutralized phosphate esters are commercially available for use as surfactants and other uses.
  • Another aspect of the present invention includes a method to reduce paper linting and dusting which method comprises adding the phosphate esters or neutralized phosphate esters of the present invention to a fiber pulp prior to web formation.
  • An alternate method to reduce paper linting and dusting comprises adding a formulation containing the phosphate esters of the present invention, i.e. the additive composition of the present invention, to a fiber pulp prior to web formation.
  • a composition comprising at least one phosphate ester and fiber pulp is prepared prior to web formation.
  • the phosphate ester is a surface active agent which holds the paper fibers together. It has the general formula
  • Ri is an alkyl chain of 2-24 carbon atoms, or said alkyl chain interrupted by one or more groups >NR2 or -O- or said alkyl or interrupted alkyl is substituted by one or more groups - NR 2 R 3 or OH wherein R 2 and R 3 are independently H, alkyl chain of 1 -8 carbon atoms or an alkyl chain of 2-6 carbon atoms substituted by one or more -OH groups,
  • Z is independently H or an alkyl chain of 1-24 carbon atoms, or said alkyl chain interrupted by one or more groups >NR2 or -O- or said alkyl or interrupted alkyl is substituted by one or more groups -NR 2 R 3 or -OH wherein R 2 and R 3 are independently H, alkyl chain of 1 -8 carbon atoms or an alkyl chain of 2-6 carbon atoms substituted by one or more -OH groups, or
  • R and one of group Z are linked by a group G, -R G-Z-
  • M + is H, an amino cation, or a metal cation selected from the group of alkaline and alkaline earth metals.
  • the phosphate ester is, for example, a compound where
  • Ri is an alkyl chain of 4-18 carbon atoms
  • Z is independently H or an alkyl chain of 1-18 carbon atoms, or said alkyl chain interrupted by one or more groups >NR2 or -O- or said alkyl or interrupted alkyl is substituted by one or more groups -NR 2 R 3 or -OH wherein R 2 and R 3 are independently H, alkyl chain of 1 -8 carbon atoms or an alkyl chain of 2-6 carbon atoms substituted by one or more -OH groups, and
  • M + is H, an amino cation, or a metal cation selected from the group of alkaline and alkaline earth metals.
  • Ri is an alkyl chain of 4-18 carbon atoms
  • Z is independently H or an alkyl chain of 4-18 carbon atoms
  • M + is H, an alkyl chain of 4-18 carbon atoms, or an amino cation.
  • Ri is an alkyl chain of 4-18 carbon atoms
  • Z is independently H or an alkyl chain of 4-18 carbon atoms
  • M + is H, or an amino cation.
  • the heterocycle is, for example a compound of the formula
  • n and m are independently from 1-4 and represent to number of methylene groups designated and G is a direct bond or selected from the group -NH-, -N R 2 , - or -0-, where R is as described above, and M is H or an ammonium cation.
  • n and m are both 2 or 3
  • G is -NY- where Y is H, hydroxyethyl or hydroxypropyl, and M is H or ammonium cation.
  • An alkyl chain is straight or branched chain of the specified number of carbon atoms and is for example methyl, ethyl, n-propyl, n-butyl, sec-butyl, tert-butyl, n-hexyl, n-octyl, 2- ethylhexyl, n-nonyl, n-decyl, n-undecyl, n-dodecyl, n-tridecyl, n-tetradecyl, n-hexadecyl or n- octadecyl.
  • alkylammonium 3-propylammonium, isopropylammonium, butylammonium, sec-butylammonium, isobutylammonium, 1 ,2-dimethylpropylammonium, dimethylammonium, diethylammonium, dipropylammonium, diisopropylammonium, dibutylammonium, diisobutylammonium, di-sec-butylammonium, N-methyl-N- butylammonium or N-ethyl-N-butylammonium, trimethylammonium, triethylammonium, tripropylammonium, tributylammonium, N,N-dimethylethylammonium, N,N- dimethylisopropylammonium,
  • alkoxy-C ⁇ alkylammonium such as 2-methoxyethylammonium, bis(2-methoxyethyl)- ammonium, 3-methoxypropylammonium or ethoxypropylammonium,
  • - mono-, di- or tri-(hydroxy-C 1 . 4 alkyl)ammonium such as mono-, di- or tri-ethanolammonium, mono-, di- or tri-propanolammonium, mono-, di- or tri-isopropanolammonium, N-methyl- or
  • nitrogen cation is unsubstituted ammonium, diethanolammonium, triethanolammonium, dipropanolammonium, tripropanolammonium, diisopropanolammonium or thisopropanolammonium.
  • the phosphate ester is present in the composition of the present invention in an amount between about 0.01 to about 5 kilograms per ton of paper produced.
  • the phosphate ester is present in an amount of between about 0.01 to about 2 kilograms per ton of paper produced.
  • the phosphate ester is present in an amount of between about 0.01 to about 1 kilograms per ton of paper produced.
  • the term "ton of paper produced” refers to a metric ton of paper ultimately produced from the fiber pulp composition upon completing the steps a standard paper making process.
  • the phosphate ester can also be neutralized with an amine or a base derived from the alkali or alkaline earth metals metals forming an ammonium or metal cation.
  • the phosphate ester can be neutralized with diethanolamine, triethanolamine, dipropanolamine or tripropanolamine. An excess of amine, alkali or alkaline earth base may be used.
  • the composition of the present invention can also comprise wax particles.
  • Wax also reduces paper dusting and linting but to a lower extent than phosphate ester.
  • Wax particles can originate from mineral wax, either slack wax or refined paraffin, or polyethylene synthetic wax.
  • the wax is present in a weight : weight ratio of wax to phosphate ester of from 0.1 :1 to 9:1.
  • the wax is present in a weight : weight ratio of wax to phosphate ester of from 1 :1 to 6:1.
  • the wax is present in a weight : weight ratio of wax to phosphate ester in a ratio of from 2:1 to 5:1.
  • the wax is homogenized with the phosphate ester and other suitable formulation materials in an appropriate apparatus before being added to the fiber pulp. Homogenization is performed until the wax particle size is under 100 ⁇ m to obtain an emulsion. Particle size is important to stabilize the emulsion and to have a good dispersion of the active linting and dusting reducing agents in the fiber pulp.
  • the composition of the present invention can also comprise starch.
  • the starch is selected from the group consisting of potato starch, tapioca starch and corn starch.
  • the starch is present in a weight : weight ratio of starch to phosphate ester of from 0.1 :1 to 9:1.
  • the starch is present in a weight : weight ratio of starch to phosphate ester of from 1 :1 to 6:1.
  • the starch is present in a weight : weight ratio of starch to phosphate ester of from 1 :1 to 3:1. It can consist of potato, tapioca, or corn starches.
  • the starch added to the additive can be cationic to facilitate the adhesion of the additive to the pulp fibers since the latter are anionic.
  • the composition can also comprise a lignosulfate.
  • the lignosulfate is present in a weight : weight ratio of lignosulfate to phosphate ester of from 0.1 :1 to 6:1.
  • the lignosulfate is present in a weight : weight ratio of lignosulfate to phosphate ester of from 1 :1 to 3:1. It can consist of an ammonium or a sodium lignosulfate.
  • the lignosulfate maintains the emulsion stability and provides a good dispersion of the additive in the fiber pulp.
  • compositions may also comprise a small quantity of biocides in the emulsion commonly employed to prevent mold formation.
  • composition with or without starch, can be cationic, neutral or anionic.
  • phosphate ester and other elements of the present composition are added to the fiber pulp prior to web formation.
  • the present invention also provides an additive composition useful in reducing paper linting and dusting in paper making which composition comprises
  • the additive composition comprises
  • the additive composition comprises
  • the additive composition comprises
  • the additive composition can be neutralized with an amine or a base derived from the alkali or alkaline earth metals.
  • the additive can be composition neutralized with diethanolamine, triethanolamine, dipropanolamine or tripropanolamine. An excess of amine, alkali or alkaline earth base may be used.
  • the wax is homogenized with the phosphate ester and other suitable formulation materials in an appropriate apparatus before being added to the fiber pulp. Homogenization is performed until the wax particle size is under 100 ⁇ m to obtain an emulsion. Particle size is important to stabilize the emulsion and to have a good dispersion of the active linting and dusting reducing agents in the fiber pulp.
  • the additive composition can be cationic, neutral or anionic; preferably cationic to facilitate adhesion of the additive to the pulp fibers.
  • the additive composition is added to the fiber pulp prior to web formation at an amount of about 0.05 to 5 kg per ton of paper produced.
  • the additive is added at a dosing of 0.2 to 1 kg per ton of paper produced.
  • the present invention also provides a method for reducing linting and dusting in paper making which method comprises the step of preparing the composition comprising fiber pulp and phosphate ester or neutralized phosphate ester described above prior to web formation wherein the phosphate ester is added in an amount of about 0.01 to 5 kilograms per ton of paper produced.
  • the phosphate ester is added in an amount of between about 0.01 to 2 kilograms.
  • the phosphate ester is added in an amount of between about 0.01 to 1 kilograms per ton of paper produced.
  • Other elements of the above composition may also be added.
  • the method for reducing linting and dusting in paper making may also be carried out by adding the phosphate ester element as a preformed additive composition comprising the phosphate ester as described in the present invention to the fiber pulp prior to web formation.
  • the additive composition is added to the fiber pulp prior to web formation at an amount of about 0.05 to 5 kg per ton of paper produced.
  • the additive is added at a dosing of 0.2 to 1 kg per ton of paper produced.
  • the phosphate esters of the following examples are mixtures of the esters derived from phosphoric acid and commonly available mixtures of alkyl alcohols, predominately C 8 and C 10 alkyl alcohols of the formulae I, N and HI, where x, y and z range from 2 to 16 representing the number of methylene units present, and compounds of formula I and II together constitute more than 90% of the ester mixture.
  • 'neutralized phosphate ester' in the following examples refers to the mixture resulting from neutralizing mixture of the phosphate esters above with diethanolamine.
  • the performance of the phosphate ester containing composition according to the present invention are compared to the performance of fiber pulp compositions containing commercial additives commonly employed to reduce linting and dusting.
  • Fiber Pulp Plus % Fibers Released Neutralized phosphate ester 11.8
  • compositions are prepared prior to web formation with various compositions, concentrations, and dosings of linting reducing agents.
  • the performance of the compositions according to the present invention is compared to the performance of compositions prepared using commercial additives.
  • hand sheets of 1.2 g are produced from mixtures of bleached mechanical, kraft and deinked pulps.
  • the percentage of fibers released is measured on each handset with a protective tape (5126C from 3MTM) and a Kaptra metering device for linting. Four samples of the present invention were tested.
  • the first sample is prepared by adding a mixture A of 10% neutralized phosphate ester, 30% of cationic corn starch and 60% of water to the fiber pulp prior to web formation in a dosing of 1 kg of mixture A per ton of paper produced.
  • the second sample is prepared by adding a mixture B of 10% neutralized phosphate ester, 40% of slack wax and 50% of water to the fiber pulp prior to web formation in a dosing of 1 kg of mixture B per ton of paper produced.
  • the third sample is prepared by adding a mixture C of 20% neutralized phosphate ester,
  • the fourth sample is prepared by adding a mixture D of 20% neutralized phosphate ester, 24% of slack wax, 6% of lignosulfate and 50% of water to the fiber pulp prior to web formation in a dosing of 0.75 kg of mixture D per ton of paper produced.
  • a comparative sample is prepared by adding a commercial cationic starch based additive to the fiber pulp prior to web formation in a dosing of 1 kg of additive per ton of paper produced.
  • compositions of the present invention a better performance is obtained with the compositions of the present invention than with compositions containing the commercial additive.
  • the best performance i.e. the lowest percentage of fibers released, is obtained with the highest concentration of phosphate ester in the composition.
  • Tests are made in the laboratory to measure the paper retention and drainage and the slide angle for several dosings of the phosphate esters of the present invention added to fiber pulp.
  • Table 1 gives a summary of the results obtained for paper retention and drainage with and without neutralized phosphate ester.
  • a mixture E containing 10% of neutralized phosphate ester, 30% of slack wax, and 60% of water is prepared.
  • the sample of Test A contains no additive, to the sample of Test B is added mixture E in a dosing of 0.25 kg per ton of paper produced, to the sample of Test C is added mixture E in a dosing of 0.5 kg per ton of paper produced and to the sample of Test D is added mixture E in a dosing of 0.75 kg per ton of paper produced.
  • To each sample also contains three products which are components of the actual retention test of the plant papermachine: 500 gr per ton of paper produced a cationic polymer emulsion, 300 gr per ton of paper produced of an adjuvant that improves PEO performance and 50 gr per ton of paper produced of a non-ionic polymer to improve retention and drainage (polyethylene oxide, PEO). These parameters are kept constant during the four tests. As seen by the data, the drainage time is reduced with the addition of the additive of the present invention while the retention is kept constant. Test Vacuum Drainage (s) Retention (%)
  • a test is carried out in a plant to measure the percentage of fibers released with and without the compositions of the present invention.
  • Mixture E from Example 3 is added to the plant fiber pulp during standard plant operations in various dosings prior to web formation.
  • the percentage of fibers released is measured as in Example 1. It is seen that the best performance is obtained with the highest dosing, i.e. 0.4 kg per ton of paper produced. Variations in the results obtained for the same dosage of a particular product are caused by water recirculation inside the plant. The water recirculated contains a remaining portion of the additive which affects the dosing. Hours Dose of Mixture E (k ⁇ / ton of paper) % Fibers Released 0 0 2.3 2 0.08 1.8 5 0.2 1.1 10 0.2 1.3 12 0.2 1.3 15 0.2 1.8
  • the method of reducing linting by adding a composition of the phosphate ester of the present invention is further demonstrated in the plant.
  • Rolls of paper are produced using standard plant operations.
  • a commercial cationic wax containing linting reducer is added to the pulp fiber slurry prior to web formation at a rate of 100 mL per minute.
  • Mixture F is likewise added to the fiber pulp slurry at the same rate.
  • Mixture F is also added so as to create a fiber pulp composition comprising Mixture F at a concentration of 0.5 kg per ton of paper produced, that is 0.05 kg of neutralized phosphate ester per ton of paper produced.
  • Paper rolls are prepared and the percentage of fibers released is measured with a protective tape (5126C from 3MTM) and a Kaptra metering device for linting. Additive Dose % Linting, top side ( ave. of 3 measures)
  • the method of reducing linting by adding a composition of the phosphate ester of the present invention is further demonstrated at different plant.
  • the same commercial cationic wax containing additive is added to the pulp fiber slurry prior to web formation at a rate of 350 mL per minute.
  • Mixture F is likewise added to the fiber pulp slurry at the same rate.
  • Paper rolls are prepared and the percentage of fibers released is measured as in Example 5. An average of 3 readings is reported.

Landscapes

  • Paper (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

L'invention concerne une nouvelle composition pour la fabrication du papier, utile pour diminuer le peluchage et le poussiérage du papier, un procédé permettant de diminuer le peluchage et le poussiérage du papier, selon lequel certains esters de phosphate sont ajoutés à une pâte fibreuse durant le procédé de fabrication du papier ainsi que la nouvelle composition additive destinée à diminuer le peluchage et le poussiérage du papier et comprenant l'ester de phosphate susmentionné.
EP04766860A 2003-10-08 2004-09-29 Additif permettant de diminuer le peluchage et le poussierage du papier Expired - Lifetime EP1670988B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50926203P 2003-10-08 2003-10-08
PCT/EP2004/052342 WO2005038133A1 (fr) 2003-10-08 2004-09-29 Additif permettant de diminuer le peluchage et le poussierage du papier

Publications (2)

Publication Number Publication Date
EP1670988A1 true EP1670988A1 (fr) 2006-06-21
EP1670988B1 EP1670988B1 (fr) 2010-11-17

Family

ID=34465100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04766860A Expired - Lifetime EP1670988B1 (fr) 2003-10-08 2004-09-29 Additif permettant de diminuer le peluchage et le poussierage du papier

Country Status (18)

Country Link
US (1) US7491294B2 (fr)
EP (1) EP1670988B1 (fr)
JP (1) JP2007508465A (fr)
KR (1) KR20060117942A (fr)
CN (1) CN100594272C (fr)
AT (1) ATE488641T1 (fr)
AU (1) AU2004282355B2 (fr)
BR (1) BRPI0415117A (fr)
CA (1) CA2541515A1 (fr)
DE (1) DE602004030143D1 (fr)
IL (1) IL174579A0 (fr)
MX (1) MXPA06003908A (fr)
NO (1) NO20061994L (fr)
NZ (1) NZ546773A (fr)
PT (1) PT1670988E (fr)
RU (1) RU2385372C2 (fr)
WO (1) WO2005038133A1 (fr)
ZA (1) ZA200602315B (fr)

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CN114057432B (zh) * 2021-11-01 2022-09-13 山东金泰恒盛新材料科技有限公司 一种耐高温石头纸及其制备方法与应用

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MXPA06003908A (es) 2006-07-05
CA2541515A1 (fr) 2005-04-28
CN1863965A (zh) 2006-11-15
IL174579A0 (en) 2006-08-20
RU2385372C2 (ru) 2010-03-27
WO2005038133A1 (fr) 2005-04-28
US7491294B2 (en) 2009-02-17
DE602004030143D1 (de) 2010-12-30
BRPI0415117A (pt) 2006-11-28
CN100594272C (zh) 2010-03-17
PT1670988E (pt) 2010-12-24
KR20060117942A (ko) 2006-11-17
ZA200602315B (en) 2007-06-27
NO20061994L (no) 2006-05-04
AU2004282355A1 (en) 2005-04-28
US20050077022A1 (en) 2005-04-14
AU2004282355B2 (en) 2010-06-17
EP1670988B1 (fr) 2010-11-17
RU2006115173A (ru) 2007-11-20
ATE488641T1 (de) 2010-12-15
JP2007508465A (ja) 2007-04-05
NZ546773A (en) 2008-05-30

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